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[3]: TKY-MD (YAYOI Medical column) |
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□ Experimental system |
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Filter: Fe(160mm), C(100mm), PE(15mm), Bi(100mm). E(ave)=0.069 MeV, Gamma contamination (E=1.327 MeV)=80.3 % at Gy level (PE: polyethylene) |
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Materials: Human peripheral blood (whole blood irradiation): Irradiation at 150mm apart from the filter surface. |
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Date: 1990.09.20. |
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Dose |
No. of |
Aberrations |
Distribution of cells with indicated number of aberrations |
|
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(GY) |
cells |
Tet |
Tri |
Dic |
Rc |
Ra |
aM |
F |
del |
S |
del |
Aber |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
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|
0 |
500 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
3 |
0 |
0 |
Dics |
500 |
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D+R |
500 |
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All |
497 |
3 |
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0.557 |
400 |
0 |
2 |
66 |
13 |
5 |
8 |
84 |
8 |
33 |
29 |
Dics |
344 |
47 |
5 |
3 |
1 |
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D+R |
332 |
56 |
6 |
4 |
2 |
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All |
311 |
61 |
19 |
4 |
4 |
|
1 |
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0.813 |
400 |
0 |
2 |
87 |
13 |
2 |
15 |
108 |
11 |
34 |
27 |
Dics |
324 |
63 |
11 |
2 |
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D+R |
312 |
72 |
14 |
2 |
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All |
293 |
71 |
24 |
8 |
4 |
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1.197 |
350 |
0 |
1 |
122 |
16 |
5 |
15 |
137 |
12 |
41 |
27 |
Dics |
247 |
83 |
19 |
1 |
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D+R |
237 |
86 |
22 |
5 |
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All |
215 |
87 |
36 |
8 |
4 |
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1.771 |
200 |
0 |
8 |
100 |
24 |
4 |
8 |
134 |
12 |
48 |
35 |
Dics |
120 |
52 |
23 |
3 |
1 |
1 |
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D+R |
110 |
52 |
27 |
9 |
|
1 |
1 |
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All |
90 |
60 |
28 |
10 |
8 |
3 |
1 |
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2.375 |
210 |
0 |
6 |
145 |
27 |
11 |
23 |
183 |
18 |
69 |
56 |
Dics |
107 |
65 |
26 |
9 |
2 |
1 |
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D+R |
91 |
70 |
30 |
13 |
4 |
2 |
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All |
65 |
62 |
43 |
29 |
5 |
1 |
4 |
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1 |
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. |
|
Ref: |
Sasaki, M. S., Saigusa, S., Kimura, I., Kobayashi, T., Ikushima, T. and Kobayashi, K. (1992) Biological effectiveness of fission neutrons: Energy dependency and its implication |
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for the risk assessment. In, Proc. Int. Conf. on Radiation Effects and Protection. March 18-20, 1992, Mito, Ibaraki. |
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Sasaki, M. S., Endo, S., Ejima, Y., Saito, I., Okamura, K., Oka, Y. and Hoshi, M. (2006) Effective dose fo A-bomb radiation in Hirohima and Nagasaki as assessed by chromosomal |
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effectiveness of spectrum energy photons and neutrons. Radiat. Environ. Biophys., 45:79-91. |
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Sasaki, M. S., Nomura, T., Ejima, Y., Utsumi, H., Endo, S., Saito, I., Itoh, T. and Hoshi, M. (2008) Experimental derivation of relative biological effectiveness of A-bomb neutrons |
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in Hiroshima and Nagasaki and implication for risk assessment. Radiat. Res., 170:101-117. |
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. |
